Re: [PATCH 2/7] fsmonitor: determine if filesystem is local or remote

> From: Eric DeCosta <edecosta@mathworks.com>
> 
> Compare the given path to the mounted filesystems. Find the mount that is
> the longest prefix of the path (if any) and determine if that mount is on a
> local or remote filesystem.
> 
> Signed-off-by: Eric DeCosta <edecosta@mathworks.com>
> ---
>   Makefile                                |   4 +
>   compat/fsmonitor/fsm-path-utils-linux.c | 195 ++++++++++++++++++++++++
>   compat/fsmonitor/fsm-path-utils-linux.h |  91 +++++++++++
>   config.mak.uname                        |  11 ++
>   4 files changed, 301 insertions(+)
>   create mode 100644 compat/fsmonitor/fsm-path-utils-linux.c
>   create mode 100644 compat/fsmonitor/fsm-path-utils-linux.h
> 
> diff --git a/Makefile b/Makefile
> index 78e874099d9..0f36a0fd83a 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -2088,6 +2088,10 @@ ifdef HAVE_CLOCK_GETTIME
>   	BASIC_CFLAGS += -DHAVE_CLOCK_GETTIME
>   endif
>   
> +ifdef HAVE_LINUX_MAGIC_H
> +	BASIC_CFLAGS += -DHAVE_LINUX_MAGIC_H
> +endif
> +
>   ifdef HAVE_CLOCK_MONOTONIC
>   	BASIC_CFLAGS += -DHAVE_CLOCK_MONOTONIC
>   endif
> diff --git a/compat/fsmonitor/fsm-path-utils-linux.c b/compat/fsmonitor/fsm-path-utils-linux.c
> new file mode 100644
> index 00000000000..c21d1349532
> --- /dev/null
> +++ b/compat/fsmonitor/fsm-path-utils-linux.c
> @@ -0,0 +1,195 @@
> +#include "git-compat-util.h"
> +#include "abspath.h"
> +#include "fsmonitor.h"
> +#include "fsmonitor-path-utils.h"
> +#include "fsm-path-utils-linux.h"
> +#include <errno.h>
> +#include <mntent.h>
> +#include <sys/mount.h>
> +#include <sys/vfs.h>
> +#include <sys/statvfs.h>
> +
> +static int is_remote_fs(const char *path)
> +{
> +	struct statfs fs;
> +
> +	if (statfs(path, &fs))
> +		return error_errno(_("statfs('%s') failed"), path);